he was really a changed dog after that. >> megan suffer ised a traumatic brain injury from the attack. after recovering she retired from the marines and moved back home to new york. >> i tried to adopt rex. fortunately for the marine corps but unfortunately for me he got better and he was still able to work and he is a good asset for the marine corps. >> their working life right now is 8 to 10 years. >> joseph is a former dog handler and is the military working dog adoption coordinator at lackland. >> with dogs rotating in and out of places like iraq and afghanistan and other countries in the middle east it has taken some working time off of their longevity. november of 2000, congress passed robby's law allowing suitable working dogs to be adopt. >> prior to the year 2 it 000 most were out that niced. in the last two and a half years almost 800 dogs adopted out. >> currently, more than 90% of america's superdogs are adopted by their former handlers. corporal levy is one of them. >> he has things in his medical record that say not adoptable because he is an attack dog and used to be re